/**
 * #      421
 * 名称   数组中两个数的最大异或值
 * 链接   https://leetcode-cn.com/problems/maximum-xor-of-two-numbers-in-an-array
 * 题解   [104](https://leetcode-cn.com/problems/maximum-xor-of-two-numbers-in-an-array/solution)
 * 通过率 60.2%
 * 难道   中等
 */

